Revision 4d70655b
| ID | 4d70655bcb852ea0a006d3923f0b0a9c69ff462e |
block: fix BDRV_O_SNAPSHOT protocol detection
realpath(3) is used to get an absolute path to the image file when
creating a -drive snapshot=on temporary qcow2. This does not work for
protocols since their filenames ("proto:foo:...") do not correspond to
file system paths.
Commit 7c96d46ec245d73fd76726588409f9abe4bd5dc1 ("Let snapshot work with
protocols") skipped realpath(3) for protocols. Later on the "raw"
format was introduced and broke the check.
Use path_has_protocol(filename) to decide if this image uses a protocol
or a filename.
Reported-by: Richard Jones <rjones@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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